Keithley 2010 User Manual

5-56 SCPI Command Reference
Questionable Event Register:
Bits B0 through B3 — Not used.
Bit B4, Temperature Summary (Temp) — Set bit indicates that an invalid
reference junction measurement has occurred for thermocouple temperature
measurements.
Bits B5 through B7 — Not used.
Bit B8, Calibration Summary (Cal) — Set bit indicates that an invalid
calibration constant was detected during the power-up sequence. The
instrument will instead use a default calibration constant. This error will clear
after successful calibration of the instrument.
Bits B9 through B13 — Not used.
Bit B14, Command Warning (Warn) — Set bit indicates that a Signal
Oriented Measurement Command parameter has been ignored.
NOTE Whenever a questionable event occurs, the ERR annunciator will
turn on. The annunciator will turn off when the questionable event
clears.
B15 B14 B13 - B9 B8 B7 - B5 B4 B3 - B0
— Warn — Cal — Temp
—
16,384
(2
14
)
0 0/1 — 0/1 — 0/1
— 256
(2
8
)
— 16
(2
4
)
Value: 1 = Questionable Event Bit Set
0 = Questionable Event Bit Cleared
Events: Warn = Command Warning
Cal = Calibration Summary
Temp = Temperature Summary
Bit Position
Event
Decimal Weighting
Value
—
—
—
Fi
gure
5
-
5
Questionable event
register

Keithley 2010 Specifications

General

Frequency Range	3 Hz to 300 kHz
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
DC Current Range	3 A
DC Current Accuracy	0.05%
AC Current Range	3 A
Resistance Accuracy	0.01%
Interface	GPIB, RS-232
Power Supply	50 Hz or 60 Hz